Results of the August 11, 2020 state primary election
| Walworth County | Jefferson County | Total |
| Democratic | 582 | 89 | 671 |
| Republican | 348 | 45 | 393 |
| Constitution | 1 | | 1 |
| No preference | 58 | 12 | 70 |
| Total | 989 | 146 | 1135 |
| Rep in Congress /Dist 5 (R) | Walworth County | Jefferson County | Total |
| Scott Fitzgerald | 266 | 42 | 308 |
| Cliff DeTemple | 97 | 11 | 108 |
| Total | 363 | 53 | 416 |
| Rep in Congress / Dist 5 (D) | Walworth County | Jefferson County | Total |
| Tom Palzewicz | 555 | 87 | 642 |
| Assembly Rep / Dist 43 | Walworth County | Jefferson County | Total |
| Don Vruwink (D) | 557 | 85 | 642 |
| Beth Drew (R) | 299 | 45 | 344 |
| | | |
| Walworth County races | | |
| Reg of Deeds (D) | Cairie Virrueta | 482 |
| Reg of Deeds (R) | Michele Jacobs | 317 |
| District Attny (R) | Zeke Wiedenfeld | 316 |
| County Clerk (R) | Kim Bushey | 321 |
| Treasurer (R) | Valerie Etzel | 314 |
| | |
| Jefferson County races | | |
| District Attny (D) | Monica J. Hall | 85 |
| County Clerk (R) | Audrey McGraw | 44 |
| Treasurer (R) | John E. Jensen | 44 |
| Reg of Deeds (R) | Staci M. Hoffman | 44 |
